PITCH SYSTEM BALANCING
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United States of America Patent
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Issued Date -
May 31, 2012
app pub date -
Nov 18, 2011
filing date -
Nov 18, 2010
priority date (Note) -
Abandoned
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Abstract
A balancing method and system for a partial pitch rotor blade for a wind turbine is described. Balancing elements are mounted to the pitch system of the rotor blade, which remove the need for complicated balancing operations to be performed which may affect the structural stability of the rotor blade body. A method is described wherein a suitable compensating balancing weight for mounting to the pitch system may be used, the weight chosen based on the known tip and root weights of standard blade extender and rotor blade parts used.
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